ASTM D1509 PDF

A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. This heating lossconsists primarily of moisture, but other volatile materials mayalso be lost.

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A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. This heating lossconsists primarily of moisture, but other volatile materials mayalso be lost.

These test methods are not applicable to treatedcarbon blacks that contain added volatile materials, if moistureloss is to be measured. However, these materials were not included in theprecision studies and therefore, the precision statements con-tained in this standard may not be valid for these materials.

The values given in parentheses are for informationonly. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use. Referenced Documents2. Summary of Test Method3. The observed difference in mass is theheating loss.

Significance and Use4. The amount of moistureabsorbed is related to the surface area of the black and to therelative humidity, ambient temperature, and time to which thematerial is exposed. Allow the closed container to reach room tempera-ture before starting the test. Current edition approved Nov.

Published December Originallyapproved in Last previous edition approved in as D — 95 DOI: United States1Place the bottle and stopper in the desiccator and allow to coolto room temperature. Weigh the bottle with stopper to thenearest 0. Remove the stopper and allow to cool toroom temperature.

Replace the stopper on the weighing bottleand reweigh to the nearest 0. NOTE 1—Keep the stopper on the weighing bottle when transferring toand from the desiccator to prevent loss of carbon black due to air currents.

Precision and Bias Refer to Practice D forterminology and other statistical details. The precision parameters should not be used foracceptance or rejection testing of any group of materialswithout documentation that they are applicable to those par-ticular materials and the specific testing protocols of the testmethod. Bothrepeatability and reproducibility represent short-term testingconditions. Eight laboratories tested three carbon blacks Ma-terials A, B, and C twice on each of two different days.

A testresult is the value obtained from a single determination. Acceptable difference values were not measured. See Table 1for the individual precision results for these three carbonblacks, which span a broad range for heat loss.

Twosingle test results or determinations that differ by more than0. Such a decision dictates thatsome appropriate action be taken.

Two single test results or determinations pro-duced in separate laboratories that differ by more than 0. Such a decision dictates that appropriateinvestigative or technical or commercial actions, or both, betaken. Reference values do not exist for this testmethod since the value or level of the test property isexclusively defined by the test method. Bias, therefore, cannotbe determined. Method B—Moisture Balance Method Allow the closed container to reach room temperaturebefore starting the test.

Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn.

Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.

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ASTM D1509 – カーボンブラック加熱損失の標準試験法

Tojalrajas Last previous edition D — 93a. This heating loss consists primarily of moisture, but other volatile materials may also be lost. This standard is not included in any packages. The values given in parentheses are for information only.

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